CN219869156U - Efficient heat exchange energy-saving device of cement kiln preheater - Google Patents
Efficient heat exchange energy-saving device of cement kiln preheater Download PDFInfo
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- CN219869156U CN219869156U CN202320808414.1U CN202320808414U CN219869156U CN 219869156 U CN219869156 U CN 219869156U CN 202320808414 U CN202320808414 U CN 202320808414U CN 219869156 U CN219869156 U CN 219869156U
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- Prior art keywords
- cyclone
- connecting pipe
- heat exchange
- cement kiln
- whirlwind section
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- 239000004568 cement Substances 0.000 title claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 238000005457 optimization Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The utility model relates to a high-efficiency heat exchange energy-saving device of a cement kiln preheater, which comprises a first C1 cyclone, a second C1 cyclone, a C2 cyclone and a C3 cyclone, wherein a first connecting pipe is communicated with a feed inlet of the first C1 cyclone, a second connecting pipe is communicated with a discharge outlet of the first C1 cyclone through a pipeline, a partition plate extending up and down is arranged on the inner wall of the second connecting pipe, a first channel and a second channel are formed between the partition plate and the inner wall of the second connecting pipe, the first channel is communicated with the first connecting pipe, the second channel is communicated with a third connecting pipe, the third connecting pipe is communicated with a feed inlet of the second C1 cyclone, the discharge outlet of the second C1 cyclone is communicated with the feed inlet of the C3 cyclone through a pipeline, an exhaust outlet of the C3 cyclone is communicated with the second connecting pipe through a pipeline, and a raw material feed inlet is arranged on the second connecting pipe. The utility model has the advantages of high heat exchange efficiency, high dust collection efficiency, low pressure loss and less heat loss.
Description
Technical Field
The utility model relates to the field of cement production, in particular to the technical field of application of cement kiln preheater systems, and specifically relates to a high-efficiency heat exchange energy-saving device of a cement kiln preheater.
Background
The working principle of the cement kiln preheater is as follows: the method comprises the steps of heating raw materials by using enthalpy in hot air flow exhausted from a rotary kiln and a decomposing furnace, enabling the raw materials to perform heat exchange with hot air flow, preheating the raw materials and decomposing part of carbonate, then enabling the preheated raw materials to enter the decomposing furnace or the rotary kiln for continuous heating and decomposition, and calcining the raw materials into clinker. The number of the preheaters is sequentially designated as C1, C2, C3, C4 and C5 from top to bottom, wherein the number of the preheaters is 2 or 1, and the number of the preheaters is 1.
The existing C1 cyclone is a preheater with 2 parallel (single-series cement kiln) or 4 parallel (double-series cement kiln), the design of the C1 cyclone mainly takes high dust collection efficiency as a principle, the pressure drop is often large, and the heat exchange efficiency of materials cannot be too high due to the limitation of the structure of the preheater. Based on the points, the traditional C1 cyclone has higher dust collection efficiency than normal C2, C3 and C4 cyclone, and has larger pressure drop, but the heat exchange efficiency has no higher efficiency, which is not beneficial to further energy conservation and carbon reduction of cement kiln enterprises.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the efficient heat exchange energy-saving device for the cement kiln preheater, which improves the heat recovery efficiency of the cement kiln, and simultaneously saves energy and reduces emission.
The utility model is realized by the following technical scheme, and the high-efficiency heat exchange energy-saving device of the cement kiln preheater is characterized in that: including first C1 whirlwind section of thick bamboo, second C1 whirlwind section of thick bamboo, C2 whirlwind section of thick bamboo and C3 whirlwind section of thick bamboo, first C1 whirlwind section of thick bamboo pan feeding mouth intercommunication has first connecting pipe, first C1 whirlwind section of thick bamboo discharge gate passes through pipeline and links barrel second connecting pipe, second connecting pipe inner wall is equipped with the baffle that extends from top to bottom, form first passageway, second passageway between baffle and the second connecting pipe inner wall, first passageway and first connecting pipe intercommunication, the second passageway intercommunication has the third connecting pipe, third connecting pipe and second C1 whirlwind section of thick bamboo pan feeding mouth intercommunication, second C1 whirlwind section of thick bamboo discharge gate passes through pipeline and C3 whirlwind section of thick bamboo pan feeding mouth intercommunication, C2 whirlwind section of thick bamboo gas vent and second connecting pipe intercommunication, be provided with the raw material pan feeding mouth that is higher than the baffle lower extreme on the second connecting pipe.
According to the utility model, the dust collection efficiency is improved by arranging the two C1 cyclones, the second connecting pipe forms two channels by arranging the partition plate, one air flow is shared, the energy is saved, the heat loss is reduced, the connection of the first C1 cyclone, the second C1 cyclone and the C3 cyclone is completed by matching the first connecting pipe, the second connecting pipe and the third connecting pipe, dust collection and heat exchange are further carried out by arranging the C2 cyclone and the C3 cyclone, and the raw material feeding opening is arranged to complete the raw material feeding.
As optimization, the position of the feed inlet of the second C1 cyclone is lower than that of the feed inlet of the first C1 cyclone. The setting of this optimizing scheme utilizes the difference in height position for the passageway has the slope, lets the raw materials get into the whirlwind section of thick bamboo more easily.
As optimization, the connection part of the first C1 cyclone cylinder and the second connecting pipe is positioned in the second channel, and the connection part is higher than the lowest end of the partition plate. The setting of this optimization scheme prevents to follow down dropping from the raw material that comes out of first C1 whirlwind section of thick bamboo, mixes in the raw material that the raw material feed inlet got into.
As optimization, the exhaust port of the first C1 cyclone and the exhaust port of the second C1 cyclone 3 are connected with an exhaust pipeline. The arrangement of the optimization scheme intensively treats waste gas, so that waste is smoothly discharged, and the influence of the waste gas on workers in the production process is reduced.
As optimization, guide plates are arranged at the feed inlets of the first C1 cyclone and the second C1 cyclone. The arrangement of the optimization scheme can separate gas from raw materials preliminarily, and dust collection efficiency is improved.
The beneficial effects of the utility model are as follows: through setting up two C1 whirlwind cones, strengthened the dust collecting rate of raw materials, improved heat exchange efficiency, through setting up the cooperation of second connecting pipe and baffle for two C1 whirlwind cones can share an air current, have reduced cement kiln heat loss, have practiced thrift the energy, and the baffle makes each stage raw materials can not mix simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a first, second and third conduit;
FIG. 3 is a flow chart of the present utility model;
the figure shows:
1. a first C1 cyclone, 2, a raw material inlet, 3, a second C1 cyclone, 4 and C2 cyclones, 5, C3 whirlwind cylinder, 6, first connecting pipe, 7, second connecting pipe, 8, third connecting pipe, 9, baffle.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
The utility model relates to a high-efficiency heat exchange energy-saving device for a cement kiln preheater, which is shown in figures 1-3, and comprises a first C1 cyclone 1, a second C1 cyclone 3, a C2 cyclone 4 and a C3 cyclone 5, wherein the cyclone is in the prior art and comprises an inner cylinder, a cyclone blade, a wind shield and a reflecting cone, the upper end of the cyclone is provided with an exhaust port, the side surface of the upper end of the cyclone is provided with a feed inlet, and the lower end of the cyclone is provided with a discharge port.
The utility model discloses a cyclone separator, including first C1 cyclone, second C1 cyclone, first C1 cyclone pan feeding mouth intercommunication has first connecting pipe 6, first C1 cyclone discharge gate has second connecting pipe 7 through the pipeline intercommunication, second connecting pipe inner wall is equipped with baffle 9 that extends from top to bottom, form first passageway, second passageway between baffle and the second connecting pipe inner wall, first C1 cyclone links to each other the department with second connecting pipe 7 and is located the second passageway, the department that links to each other is higher than the baffle bottommost, first passageway and first connecting pipe intercommunication, the second passageway is connected with third connecting pipe 8, third connecting pipe and the 3 pan feeding mouth intercommunication of second C1 cyclone, second C1 cyclone mounted position is less than first C1 cyclone, and first C1 cyclone 1 gas vent and the 3 gas vents of second C1 cyclone are connected with exhaust duct, and first C1 cyclone, second C1 cyclone pan feeding mouth department are provided with the guide plate.
The second C1 cyclone discharge gate passes through pipeline and C3 cyclone 5 pan feeding mouth intercommunication, C3 cyclone gas vent passes through pipeline and C2 cyclone 4 pan feeding mouth intercommunication, C2 cyclone 4 gas vent and second connecting pipe 7 intercommunication, be provided with the raw material pan feeding mouth 2 that is higher than baffle 9 lower extreme on the second connecting pipe, the raw material pan feeding mouth is located first passageway.
In the use process of the embodiment, as shown in fig. 3, the solid line represents a raw material path, the dotted line represents an air flow path, raw materials are input from a raw material feeding port 2, air flow enters a C2 cyclone 4 from a C3 cyclone through a pipeline, air discharged from an air outlet of the C2 cyclone 4 enters a second connecting pipe, a part of the air flow enters a first channel through the blocking of a partition plate 9, raw materials input from the raw material feeding port are driven to enter a first connecting pipe 6, the split flow passing through a guide plate enters a first C1 cyclone 1, the air flow enters a waste pipeline from an air outlet of the first C1 cyclone 1, raw materials sink and enter a second channel of a second connecting pipe 7 from an air outlet of the first C1 cyclone 1 through a pipeline, the raw materials enter a third connecting pipe 8 under the driving of the air flow entering the second channel, the split flow passing through the guide plate enters a second C1 cyclone 3, the air flow enters the air outlet of the second C1 cyclone 3 through a pipeline, and the raw materials sink enter the C3 cyclone through the pipeline, and then the subsequent process is completed.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (5)
1. The utility model provides a cement kiln pre-heater high-efficient heat transfer economizer which characterized in that: including first C1 whirlwind section (1), second C1 whirlwind section (3), C2 whirlwind section (4) and C3 whirlwind section (5), first C1 whirlwind section pan feeding mouth intercommunication has first connecting pipe (6), first C1 whirlwind section discharge gate passes through pipe connection second connecting pipe (7), second connecting pipe inner wall is equipped with baffle (9) that extend from top to bottom, form first passageway, second passageway between baffle and the second connecting pipe inner wall, first passageway and first connecting pipe intercommunication, second passageway intercommunication has third connecting pipe (8), third connecting pipe and second C1 whirlwind section (3) pan feeding mouth intercommunication, second C1 whirlwind section discharge gate passes through pipe and C3 whirlwind section pan feeding mouth intercommunication, C2 whirlwind section discharge port and second connecting pipe (7) intercommunication, be provided with on the second and be higher than baffle (9) the raw material pan feeding mouth (2) of lower extreme.
2. The efficient heat exchange and energy saving device for the cement kiln preheater as set forth in claim 1, wherein: the second C1 cyclone inlet is lower than the first C1 cyclone inlet.
3. The efficient heat exchange and energy saving device for the cement kiln preheater as set forth in claim 1, wherein: the connection part of the first C1 cyclone cylinder and the second connecting pipe (7) is positioned in the second channel, and the connection part is higher than the lowest end of the partition plate.
4. The efficient heat exchange and energy saving device for the cement kiln preheater as set forth in claim 1, wherein: and exhaust ports of the first C1 cyclone cylinder and the second C1 cyclone cylinder (3) are connected with an exhaust pipeline.
5. The efficient heat exchange and energy saving device for the cement kiln preheater as set forth in claim 4, wherein: and guide plates are arranged at the feed inlets of the first C1 cyclone and the second C1 cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320808414.1U CN219869156U (en) | 2023-04-13 | 2023-04-13 | Efficient heat exchange energy-saving device of cement kiln preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320808414.1U CN219869156U (en) | 2023-04-13 | 2023-04-13 | Efficient heat exchange energy-saving device of cement kiln preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219869156U true CN219869156U (en) | 2023-10-20 |
Family
ID=88346998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320808414.1U Active CN219869156U (en) | 2023-04-13 | 2023-04-13 | Efficient heat exchange energy-saving device of cement kiln preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219869156U (en) |
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2023
- 2023-04-13 CN CN202320808414.1U patent/CN219869156U/en active Active
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